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https://issues.apache.org/jira/browse/BEAM-7157?focusedWorklogId=233683&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-233683
]
ASF GitHub Bot logged work on BEAM-7157:
----------------------------------------
Author: ASF GitHub Bot
Created on: 26/Apr/19 18:00
Start Date: 26/Apr/19 18:00
Worklog Time Spent: 10m
Work Description: lukecwik commented on pull request #8409: [BEAM-7157]
Allow creation of BinaryCombineFn from lambdas.
URL: https://github.com/apache/beam/pull/8409#discussion_r279049138
##########
File path:
sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/SerializableBiFunction.java
##########
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.beam.sdk.transforms;
+
+import java.io.Serializable;
+import java.util.function.BiFunction;
+
+/**
+ * A union of the {@link BiFunction} and {@link Serializable} interfaces.
+ *
+ * @param <FirstInputT> first input value type
+ * @param <SecondInputT> second input value type
+ * @param <OutputT> output value type
+ */
+@FunctionalInterface
+public interface SerializableBiFunction<FirstInputT, SecondInputT, OutputT>
+ extends BiFunction<FirstInputT, SecondInputT, OutputT>, Serializable {
+ // This class is empty, but required for creating serializable lambda
expressions.
Review comment:
```suggestion
// This class is empty, but required for creating serializable lambda
expression
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 233683)
Time Spent: 40m (was: 0.5h)
> Allow creation of BinaryCombineFn from lambdas.
> -----------------------------------------------
>
> Key: BEAM-7157
> URL: https://issues.apache.org/jira/browse/BEAM-7157
> Project: Beam
> Issue Type: New Feature
> Components: sdk-java-core
> Reporter: Robert Bradshaw
> Priority: Major
> Time Spent: 40m
> Remaining Estimate: 0h
>
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